149742940

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1\times {\mathrm{661}}^1$

素因数の和:958

約数の個数: 48

約数和(自身を含む): 322971264

約数和(自身を除く): 173228324

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 241, 470, 482, 661, 940, 964, 1205, 1322, 2410, 2644, 3305, 4820, 6610, 11327, 13220, 22654, 31067, 45308, 56635, 62134, 113270, 124268, 155335, 159301, 226540, 310670, 318602, 621340, 637204, 796505, 1593010, 3186020, 7487147, 14974294, 29948588, 37435735, 74871470, 149742940]

約数ペア:

[(1, 149742940), (2, 74871470), (4, 37435735), (5, 29948588), (10, 14974294), (20, 7487147), (47, 3186020), (94, 1593010), (188, 796505), (235, 637204), (241, 621340), (470, 318602), (482, 310670), (661, 226540), (940, 159301), (964, 155335), (1205, 124268), (1322, 113270), (2410, 62134), (2644, 56635), (3305, 45308), (4820, 31067), (6610, 22654), (11327, 13220)]